fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [Fmm] [27.3% done] [  7130/ 24064 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [30.8% done] [ 10196/     0 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [35.7% done] [  9652/     0 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [37.5% done] [  9688/     0 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [53.8% done] [  5300/ 42460 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [  1024/ 19120 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [68.0% done] [ 11348/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [69.2% done] [ 22076/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [76.0% done] [ 24092/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [83.3% done] [ 24400/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [87.5% done] [ 33032/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [91.7% done] [ 32652/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 29920/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28500/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 25048/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12734
  read : io=100MiB, bw=4,130KiB/s, runt= 25384msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  454, avg=41.14, stdev=79.04
    bw (KiB/s) : min=    0, max=23076, per=92.10%, avg=11071.00, stdev=6983.40
  write: io=98,168KiB, bw=5,992KiB/s, runt= 16776msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  343, avg= 0.70, stdev=10.68
    bw (KiB/s) : min=    0, max=136060, per=461.03%, avg=68030.00, stdev=96208.95
  cpu          : usr=3.09%, sys=1.40%, ctx=5502
  IO depths    : 1=2.0%, 2=57.6%, 4=30.5%, 8=9.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.4%, 4=0.4%, 10=24.6%, 20=11.0%, 50=3.9%, 100=1.2%
     lat (msec): 250=5.6%, 500=1.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12735
  read : io=100MiB, bw=4,046KiB/s, runt= 25910msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  823, avg=77.73, stdev=97.77
    bw (KiB/s) : min=   17, max=15016, per=47.55%, avg=5715.69, stdev=4183.02
  write: io=77,012KiB, bw=4,700KiB/s, runt= 16776msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  279, avg= 1.24, stdev=13.97
    bw (KiB/s) : min=    0, max= 7365, per=24.96%, avg=3682.50, stdev=5207.84
  cpu          : usr=2.45%, sys=1.34%, ctx=5744
  IO depths    : 1=0.9%, 2=44.7%, 4=28.5%, 8=25.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=40.8%, 4=0.7%, 10=10.3%, 20=13.8%, 50=8.3%, 100=8.2%
     lat (msec): 250=13.9%, 500=3.4%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12736
  read : io=100MiB, bw=4,007KiB/s, runt= 26166msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  847, avg=74.50, stdev=110.24
    bw (KiB/s) : min=    5, max=14092, per=52.32%, avg=6288.83, stdev=4099.13
  write: io=66,572KiB, bw=4,065KiB/s, runt= 16768msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  302, avg= 1.57, stdev=16.88
    bw (KiB/s) : min=    0, max= 6273, per=21.26%, avg=3136.50, stdev=4435.68
  cpu          : usr=2.08%, sys=1.13%, ctx=5841
  IO depths    : 1=0.8%, 2=46.9%, 4=29.4%, 8=22.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=43.0%, 4=0.2%, 10=10.9%, 20=15.6%, 50=8.4%, 100=4.6%
     lat (msec): 250=14.4%, 500=1.7%, 750=0.6%, 1000=0.3%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,021KiB/s, minb=4,007KiB/s, maxb=4,130KiB/s, mint=25384msec, maxt=26166msec
  WRITE: io=236MiB, aggrb=14,756KiB/s, minb=4,065KiB/s, maxb=5,992KiB/s, mint=25384msec, maxt=26166msec

Disk stats (read/write):
  sda: ios=4266/1798, merge=1099/58668, ticks=74572/2293324, in_queue=2367892, util=99.13%
2.02user 1.05system 0:26.52elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2462minor)pagefaults 0swaps